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TDA7348D Folha de dados(PDF) 5 Page - STMicroelectronics |
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TDA7348D Folha de dados(HTML) 5 Page - STMicroelectronics |
5 / 14 page ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit BASS CONTROL BBOOST Max Bass Boost 15 18 20 dB BCUT Max Bass Cut -8.5 -10 -11.5 dB Astep Step Resolution 1 2 3 dB Rg Internal Feedback Resistance 45 65 85 K Ω TREBLE CONTROL CRANGE Control Range ±13 ±14 ±15 dB Astep Step Resolution 1 2 3 dB SPEAKER ATTENUATORS CRANGE Control Range 35 37.5 40 dB Astep Step Resolution 0.5 1.25 2.0 dB AMUTE Output Mute Attenuation Data Word = XXX11111 80 100 dB EA Attenuation Set Error 1.25 dB VDC DC Steps Adjacent Attenuation Steps 0 3 mV AUDIO OUTPUT Vclip Clipping Level d = 0.3% 2.1 2.6 Vrms RL Output Load Resistance 2 K Ω RO Output Impedance 30 100 Ω VDC DC Voltage Level 3.5 3.8 4.1 V GENERAL VCC Supply Voltage 6 9 10.2 V ICC Supply Current 10 15 mA PSRR Power Supply Rejection Ratio f = 1KHz 60 80 dB B = 20 to 20kHz ”A” weighted 65 dB eNO Output Noise Output Muted (B = 20 to 20kHz flat) 2.5 µV All Gains 0dB (B = 20 to 20kHz flat) 5 15 µV Et Total Tracking Error AV = 0 to -20dB 0 1 dB AV = -20 to -60dB 0 2 dB S/N Signal to Noise Ratio All Gains = 0dB; VO =1Vrms 106 dB SC Channel Separation 80 100 dB d Distortion VIN = 1V 0.01 0.08 % BUS INPUTS VIL Input Low Voltage 1V VlN Input High Voltage 3 V IlN Input Current VIN = 0.4V -5 5 µA VO Output Voltage SDA Acknowledge IO = 1.6mA 0.4 0.8 V Note 1: WIN represents the MUTE programming bit pair D6,D5 for the zero crossing window threshold Note 2: Internal pullup resistor to Vs/2; ”LOW” = softmute active r TDA7348 5/14 |
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